import { ServiceBase } from '../base/service.base';
import { Observable } from 'rxjs';
import { ScriptModel, StyleModel, LoaderModel } from '../models/loader';
export declare class LoaderService extends ServiceBase {
    private scripts;
    private styles;
    private scriptIndex;
    private CreateScriptElement;
    private CreateStyleElement;
    /**
     * Waits for script to finish before loading the next script
     */
    private SyncLoad;
    /**
     * Loads an external script from a url synchronously.
     * @param loader
     * @example
     *
     *loader.LoadScript([
        {
            source: 'https://test.com/test.min.js',
            integrity: 'fdsafdsar32qxr3q2'
        }
     *]).subscribe();
     * */
    LoadScript(loader: LoaderModel[], ...pussy: LoaderModel[]): Observable<ScriptModel[]>;
    /**
     * Loads an external stylesheet from a url
     * @param loader
     * @example
     *
     *loader.LoadScript([
        {
            source: 'https://test.com/test.min.js',
            integrity: 'fdsafdsar32qxr3q2'
        }
     *]).subscribe();
     * */
    LoadStyle(loader: LoaderModel[]): Observable<StyleModel>;
}